7a51b2f4ddb009b57a1483e55d7959a77a1baff35f2f14b1cf3abdd283a8c286

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 15:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Boostrapper.exe
Size

27.6MB
MD5

6c25b6fd62d8fb2fb6f29ca37e246978
SHA1

3206dd46ecc162f296c4062ed195b2afdc8c653c
SHA256

7a51b2f4ddb009b57a1483e55d7959a77a1baff35f2f14b1cf3abdd283a8c286
SHA512

067e4111ca03d40367d8876fa346cc174fcb78010f41215b6bf53bc37e288a7094d3ceb5cfc16acdbf1bb8b621b3d3f396bf07aecd5eb153e9d8fb4c05966a56
SSDEEP

786432:07vDACrv3FqbqTOhQiXgPQEErUlqsAI6eQR:07v0eqbgaQE89EdI6eQR

Score

7^/10

discovery pyinstaller upx

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
2752	BOOSTEAPPER.EXE
2364	WAVEBOOSTRAPPER.EXE
2640	BOOSTEAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
1148	Process not Found

Loads dropped DLL 20 IoCs

pid	Process
2756	Boostrapper.exe
2756	Boostrapper.exe
2752	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2640	BOOSTEAPPER.EXE
2364	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
2516	WAVEBOOSTRAPPER.EXE
1148	Process not Found
1148	Process not Found

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000500000001a4d6-135.dat	upx
behavioral1/memory/2640-176-0x000007FEF6770000-0x000007FEF6BD5000-memory.dmp	upx
behavioral1/memory/2640-261-0x000007FEF6770000-0x000007FEF6BD5000-memory.dmp	upx

Detects Pyinstaller 2 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x0008000000012102-2.dat	pyinstaller
behavioral1/files/0x0008000000015d19-73.dat	pyinstaller

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Boostrapper.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2752	2756	Boostrapper.exe	31
PID 2756 wrote to memory of 2752	2756	Boostrapper.exe	31
PID 2756 wrote to memory of 2752	2756	Boostrapper.exe	31
PID 2756 wrote to memory of 2752	2756	Boostrapper.exe	31
PID 2756 wrote to memory of 2364	2756	Boostrapper.exe	32
PID 2756 wrote to memory of 2364	2756	Boostrapper.exe	32
PID 2756 wrote to memory of 2364	2756	Boostrapper.exe	32
PID 2756 wrote to memory of 2364	2756	Boostrapper.exe	32
PID 2752 wrote to memory of 2640	2752	BOOSTEAPPER.EXE	33
PID 2752 wrote to memory of 2640	2752	BOOSTEAPPER.EXE	33
PID 2752 wrote to memory of 2640	2752	BOOSTEAPPER.EXE	33
PID 2364 wrote to memory of 2516	2364	WAVEBOOSTRAPPER.EXE	34
PID 2364 wrote to memory of 2516	2364	WAVEBOOSTRAPPER.EXE	34
PID 2364 wrote to memory of 2516	2364	WAVEBOOSTRAPPER.EXE	34

C:\Users\Admin\AppData\Local\Temp\Boostrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Boostrapper.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\BOOSTEAPPER.EXE
  "C:\Users\Admin\AppData\Local\Temp\BOOSTEAPPER.EXE"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Users\Admin\AppData\Local\Temp\BOOSTEAPPER.EXE
    "C:\Users\Admin\AppData\Local\Temp\BOOSTEAPPER.EXE"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2640
- C:\Users\Admin\AppData\Local\Temp\WAVEBOOSTRAPPER.EXE
  "C:\Users\Admin\AppData\Local\Temp\WAVEBOOSTRAPPER.EXE"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Users\Admin\AppData\Local\Temp\WAVEBOOSTRAPPER.EXE
    "C:\Users\Admin\AppData\Local\Temp\WAVEBOOSTRAPPER.EXE"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\WAVEBOOSTRAPPER.EXE

Filesize
17.2MB

MD5
dce61b2411fe54283190a24b67ffa453

SHA1
5fb001738e4459883facca64788ccb9b33d6c75c

SHA256
67bca757a53ad6baca920a0eb69f6cd7e335a688194691996c41b03f9e87ee9d

SHA512
e169718e957fa61f773c5d4ed4b5b6ca4debd5016c1aecf17a9563617b760073d97dc0109a826637a4bc4c5b83fecdc52dee5ab5e128ea996232e86704f2e6ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI23642\python310.dll

Filesize
4.2MB

MD5
384349987b60775d6fc3a6d202c3e1bd

SHA1
701cb80c55f859ad4a31c53aa744a00d61e467e5

SHA256
f281c2e252ed59dd96726dbb2de529a2b07b818e9cc3799d1ffa9883e3028ed8

SHA512
6bf3ef9f08f4fc07461b6ea8d9822568ad0a0f211e471b990f62c6713adb7b6be28b90f206a4ec0673b92bae99597d1c7785381e486f6091265c7df85ff0f9b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI27522\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI27522\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI27522\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI27522\python310.dll

Filesize
1.4MB

MD5
90d5b8ba675bbb23f01048712813c746

SHA1
f2906160f9fc2fa719fea7d37e145156742ea8a7

SHA256
3a7d497d779ff13082835834a1512b0c11185dd499ab86be830858e7f8aaeb3e

SHA512
872c2bf56c3fe180d9b4fb835a92e1dc188822e9d9183aab34b305408bb82fba1ead04711e8ad2bef1534e86cd49f2445d728851206d7899c1a7a83e5a62058e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI27522\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
\Users\Admin\AppData\Local\Temp\BOOSTEAPPER.EXE

Filesize
10.2MB

MD5
8c34772125f9ed13bef37df0fc2aaafb

SHA1
9cbdf3b7a9e1bc3e1ce276271d331e4f390f0183

SHA256
9cfa4a85a82be1cd3963842de04087c42608d9fd298fd7f4785b6a2c0d723964

SHA512
1c242b5267df19955a3d3be011fbc6e16dfd1bdb20b6ccf6a0056458c26bc9e73ff69c041eb5f7aa294fdad7ae7a48c5afc79e886e13696bab6e72b8145e17c0

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI27522\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI27522\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
memory/2640-176-0x000007FEF6770000-0x000007FEF6BD5000-memory.dmp

Filesize
4.4MB

Download
memory/2640-261-0x000007FEF6770000-0x000007FEF6BD5000-memory.dmp

Filesize
4.4MB

Download